[1]包腾飞,赵向宇,周喜武,等.基于 Inventor 二次开发的垫层蜗壳参数化设计[J].郑州大学学报(工学版),2025,46(04):107-113.[doi:10.13705/j.issn.1671-6833.2025.04.012]
　BAO Tengfei,ZHAO Xiangyu,ZHOU Xiwu,et al.Parametric Design of Spiral Case with Cushion Layer Based on Inventor Secondary Development[J].Journal of Zhengzhou University (Engineering Science),2025,46(04):107-113.[doi:10.13705/j.issn.1671-6833.2025.04.012]
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基于 Inventor 二次开发的垫层蜗壳参数化设计()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
46
期数:
2025年04期
页码:
107-113
栏目:
出版日期:
2025-07-10

文章信息/Info

Title:
Parametric Design of Spiral Case with Cushion Layer Based on Inventor Secondary Development
文章编号:
1671-6833(2025)04-0107-07
作者:
包腾飞1;  赵向宇1;  周喜武2;  陈雨婷1;  程健悦1
1. 河海大学 水利水电学院,江苏 南京 210098;2. 江苏省水利工程科技咨询股份有限公司,江苏 南京 210029
Author(s):
BAO Tengfei1;  ZHAO Xiangyu1;  ZHOU Xiwu2;  CHEN Yuting1;  CHENG Jianyue1
1. College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China; 2. Jiangsu Province Water Engineering Sci-Tech Consulting Co. , Ltd. , Nanjing 210029, China
关键词:
BIM 技术;  参数化设计;  三维模型;  垫层蜗壳;  二次开发
Keywords:
BIM;  parametric design;  three-dimensional model;  spiral case with cushion layer;  secondary development
分类号:
TV222. 1
DOI:
10.13705/j.issn.1671-6833.2025.04.012
文献标志码:
A
摘要:
针对垫层蜗壳设计过程复杂、设计更改烦琐、结构优化效率低下等问题,基于 Inventor 平台,确定了垫层蜗壳的设计参数,研究了蜗壳的参数化建模方法。 针对参数化建模中钢衬与垫层、垫层与外围混凝土间的接触状态难以处理的问题,引入了曲面划分算法,实现了钢衬、垫层与外围混凝土的有效分割;针对蜗壳垫层与进水口垫层相交重叠问题,提出了实体接触判断算法及切割方法,实现了两者交界部位精细化处理。 实例应用结果表明:采用所提参数化设计方法,能够根据设计参数的调整快速地建立模型。 当垫层厚度变大,外包混凝土承担内水压力比例减少,最小可达 20. 16%,钢衬环向、径向位移均增大,最大可分别达到 12. 26,9. 39 mm;当垫层铺设范围变大,外包混凝土承担内水压力比例大致呈减小趋势,最小可达 23. 17%,钢衬环向、径向位移均减小,最小可分别达到4. 27,2. 06 mm。 最终选择垫层子午向包角铺设至腰线以下 15°,厚度选择 20 mm。
Abstract:
In view of the complex design process of the spiral case with cushion layer, the cumbersome nature of design changes, and the low efficiency of structure optimization, design parameters for the spiral case with cushion layer were established based on the Inventor platform, and the parametric modeling method of the spiral case was investigated. To tackle the challenge of handling contact states between the steel lining and cushion layer, as well as between the cushion layer and outer concrete during parametric modeling, a surface partitioning algorithm was introduced, enabling effective segmentation among the steel lining, cushion layer, and outer concrete. For the overlap between spiral case with cushion layer and the inlet cushion layer, an entity contact determination algorithm and cutting method were proposed, achieving refined treatment at their intersections. Case studies showed that using the proposed parametric design approach allowed for rapid model creation based on design parameter adjustments. As the thickness increased, the proportion of internal water pressure borne by the outer concrete decreased, reaching a minimum of 20. 16%, while the circumferential and radial displacements of the steel lining increased, with maximum values of 12. 26 mm and 9. 39 mm, respectively. As the laying range expanded, the proportion of internal water pressure borne by the outer concrete roughly showed a decreasing trend, with a minimum of 23. 17%, while the circumferential and radial displacements of the steel lining decreased, with minimum values of 4. 27 mm and 2. 06 mm, respectively. Ultimately, the meridional wrapping angle of the cushion layer was selected to extend 15° below the waistline, with a thickness of 20 mm.

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更新日期/Last Update: 2025-07-13